| TITLE: WARNING in xfrm_state_fini |
| |
| [ 560.713151][ T1194] WARNING: CPU: 2 PID: 1194 at net/xfrm/xfrm_state.c:2381 xfrm_state_fini+0x440/0x5c0 |
| [ 3481.239960][ T1234] INFO: rcu_sched detected stalls on CPUs/tasks: |
| [ 3481.239969][ T1234] (detected by 1, t=105002 jiffies, g=687946, c=687945, q=520) |
| [ 3481.239975][ T1234] All QSes seen, last rcu_sched kthread activity 103964 (4298143477-4298039513), jiffies_till_next_fqs=3, root ->qsmask 0x0 |
| [ 3481.239987][ T1234] syz-executor0 R running task on cpu 1 0 315571 315308 0x0000000e 3375506638533 |
| [ 438.400447][ T2345] should_fail.cold+0xa/0x10 |
| [ 438.427757][ T2345] should_failslab+0xde/0x140 |
| [ 438.400447] should_fail.cold+0xa/0x10 |
| [ 438.427757] should_failslab+0xde/0x140 |
| should_fail.cold+0xa/0x10 |
| should_failslab+0xde/0x140 |
| [ 560.714556][ T1194] Kernel panic - not syncing: panic_on_warn set ... |
| [ 560.715572][ T1194] CPU: 2 PID: 1194 Comm: kworker/u12:4 Not tainted 4.20.0-next-20190102+ #5 |
| [ 560.716935][ T1194] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 |
| [ 560.718554][ T1194] Workqueue: netns cleanup_net |
| [ 3481.240052][ T1234] Call Trace: |
| [ 3481.240067][ T1234] <IRQ> [<ffffffff816efb87>] _sched_show_task+0x31a/0x325 |
| [ 3481.240075][ T1234] [<ffffffff816f030c>] sched_show_task+0x10/0x12 |
| [ 3481.240082][ T1234] [<ffffffff816fabed>] rcu_check_callbacks.cold.76+0xbfa/0xc77 |
| [ 3481.240092][ T1234] [<ffffffff814f5cdf>] update_process_times+0x3f/0x70 |
| [ 3481.240101][ T1234] [<ffffffff8151f1ea>] tick_sched_handle.isra.16+0x5a/0x100 |
| [ 3481.240108][ T1234] [<ffffffff8151f89a>] tick_sched_timer+0x7a/0x130 |
| [ 3481.240115][ T1234] [<ffffffff814f8e15>] __hrtimer_run_queues+0x3a5/0xc50 |
| [ 560.719399][ T1194] Call Trace: |
| [ 560.719962][ T1194] dump_stack+0x1db/0x2d0 |
| [ 560.722633][ T1194] panic+0x2cb/0x65c |
| [ 560.728889][ T1194] __warn.cold+0x20/0x48 |
| [ 560.730136][ T1194] report_bug+0x263/0x2b0 |
| [ 560.730753][ T1194] do_error_trap+0x11b/0x200 |
| [ 560.731421][ T1194] do_invalid_op+0x37/0x50 |
| [ 560.732696][ T1194] invalid_op+0x14/0x20 |
| [ 3481.240160][ T1234] [<ffffffff814fa03e>] hrtimer_interrupt+0x18e/0x400 |
| [ 3481.240169][ T1234] [<ffffffff8129a744>] local_apic_timer_interrupt+0x74/0x90 |
| [ 3481.240177][ T1234] [<ffffffff81012dff>] smp_apic_timer_interrupt+0xdf/0x130 |
| [ 3481.240186][ T1234] [<ffffffff81011c72>] smp_apic_timer_interrupt_entry_after_kaiser_bti+0x20/0x2e |
| [ 3481.240196][ T1234] <EOI> [<ffffffff815bcdb1>] ? __sanitizer_cov_trace_pc+0x21/0x60 |
| [ 3481.240204][ T1234] [<ffffffff8152dedc>] smp_call_function_single+0x26c/0x330 |
| [ 3481.240241][ T1234] [<ffffffff8152eaa5>] smp_cfm_core+0x6a5/0x7e0 |
| [ 3481.240269][ T1234] [<ffffffff8152ee6b>] on_each_cpu+0x6b/0x120 |
| [ 3481.240278][ T1234] [<ffffffff812dd836>] flush_tlb_kernel_range+0x86/0xe0 |
| [ 3481.240294][ T1234] [<ffffffff817ea3cc>] __purge_vmap_area_lazy+0x3ec/0xf40 |
| [ 3481.240333][ T1234] [<ffffffff817eb5df>] free_vmap_area_noflush+0x1bf/0x200 |
| [ 3481.240362][ T1234] [<ffffffff817ee77e>] remove_vm_area+0x13e/0x1c0 |
| [ 3481.240368][ T1234] [<ffffffff817ee849>] __vunmap+0x49/0x330 |
| [ 3481.240374][ T1234] [<ffffffff817eebf5>] vfree+0x55/0xe0 |
| [ 3481.240381][ T1234] [<ffffffff8177bc6b>] kvfree+0x3b/0x60 |
| [ 3481.240389][ T1234] [<ffffffff82430b98>] uhaul_rx_release+0x268/0x5a0 |
| [ 560.733271][ T1194] RIP: 0010:xfrm_state_fini+0x440/0x5c0 |
| [ 560.736699][ T1194] RSP: 0018:ffff888068c37718 EFLAGS: 00010293 |
| [ 560.737543][ T1194] RAX: ffff888068c28300 RBX: ffff88805fec4340 RCX: 0000000000000000 |
| [ 560.738638][ T1194] RDX: 0000000000000000 RSI: ffffffff86c36c50 RDI: 1ffff1100d186ee9 |
| [ 560.739795][ T1194] RBP: ffff888068c37810 R08: 0000000000000007 R09: ffff888068c28bf0 |
| [ 560.740936][ T1194] R10: ffff888068c28300 R11: 0000000000000000 R12: 1ffff1100d186ee5 |
| [ 560.742054][ T1194] R13: ffff888068c377e8 R14: ffff88805fec5e40 R15: ffff88801f9cb0e0 |
| [ 560.747522][ T1194] xfrm_net_exit+0x25/0x70 |
| [ 560.748148][ T1194] ops_exit_list.isra.0+0xb0/0x160 |
| [ 560.748885][ T1194] cleanup_net+0x51d/0xb10 |
| [ 560.753239][ T1194] process_one_work+0xd0c/0x1ce0 |
| [ 560.765456][ T1194] worker_thread+0x143/0x14a0 |
| [ 560.777603][ T1194] kthread+0x357/0x430 |
| [ 560.779733][ T1194] ret_from_fork+0x3a/0x50 |
| [ 560.780962][ T1194] Dumping ftrace buffer: |
| [ 560.781955][ T1194] (ftrace buffer empty) |
| [ 560.782576][ T1194] Kernel Offset: disabled |
| [ 560.783204][ T1194] Rebooting in 86400 seconds.. |
| |
| REPORT: |
| WARNING: CPU: 2 PID: 1194 at net/xfrm/xfrm_state.c:2381 xfrm_state_fini+0x440/0x5c0 |
| Kernel panic - not syncing: panic_on_warn set ... |
| CPU: 2 PID: 1194 Comm: kworker/u12:4 Not tainted 4.20.0-next-20190102+ #5 |
| Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 |
| Workqueue: netns cleanup_net |
| Call Trace: |
| dump_stack+0x1db/0x2d0 |
| panic+0x2cb/0x65c |
| __warn.cold+0x20/0x48 |
| report_bug+0x263/0x2b0 |
| do_error_trap+0x11b/0x200 |
| do_invalid_op+0x37/0x50 |
| invalid_op+0x14/0x20 |
| RIP: 0010:xfrm_state_fini+0x440/0x5c0 |
| RSP: 0018:ffff888068c37718 EFLAGS: 00010293 |
| RAX: ffff888068c28300 RBX: ffff88805fec4340 RCX: 0000000000000000 |
| RDX: 0000000000000000 RSI: ffffffff86c36c50 RDI: 1ffff1100d186ee9 |
| RBP: ffff888068c37810 R08: 0000000000000007 R09: ffff888068c28bf0 |
| R10: ffff888068c28300 R11: 0000000000000000 R12: 1ffff1100d186ee5 |
| R13: ffff888068c377e8 R14: ffff88805fec5e40 R15: ffff88801f9cb0e0 |
| xfrm_net_exit+0x25/0x70 |
| ops_exit_list.isra.0+0xb0/0x160 |
| cleanup_net+0x51d/0xb10 |
| process_one_work+0xd0c/0x1ce0 |
| worker_thread+0x143/0x14a0 |
| kthread+0x357/0x430 |
| ret_from_fork+0x3a/0x50 |
| Dumping ftrace buffer: |
| (ftrace buffer empty) |
| Kernel Offset: disabled |
| Rebooting in 86400 seconds.. |
